The powerful and charismatic leader of the Martial Arts Alliance, Hu-Gong, finds himself inhabiting the body of a lackluster young man named Beom-Hang. Despite being the master of the prestigious 'Heavenly Grand Archive', Beom-Hang is far from impressive. Hu-Gong decides to investigate the reason behind their soul swap by taking charge of Beom-Hang's training. As Beom-Hang's actions under Hu-Gong's influence draw curious eyes from the Jianghu, a mysterious ripple begins to spread.